V2EX clock drift

Clock Drift

释义 Definition

clock drift时钟漂移 / 时钟走时偏差。指由于温度、老化、制造误差等原因,设备内部时钟的计时速度与标准时间不完全一致,导致时间逐渐“越走越偏”的现象(常见于计算机系统、网络、传感器、GPS/授时系统等)。

发音 Pronunciation (IPA)

/klk drft/

词源 Etymology

clock(时钟) + drift(漂移、逐渐偏离) 组成。这里的 drift 强调“缓慢、持续地偏离基准”,用于描述时间误差会随着运行时间累积变大。

例句 Examples

My laptop has noticeable clock drift.
我的笔记本电脑有明显的时钟漂移。

In distributed systems, even small clock drift can cause inconsistent logs unless machines regularly synchronize with a time server.
在分布式系统中,即使很小的时钟漂移也可能导致日志不一致,除非机器定期与时间服务器进行同步。

相关词 Related Words

文学与作品 Literary Works

该术语更常见于计算机与工程类经典教材/技术著作中,例如:

  • Computer Networks(Andrew S. Tanenbaum 等)
  • Distributed Systems: Principles and Paradigms(Andrew S. Tanenbaum, Maarten van Steen)
  • Operating Systems: Three Easy Pieces(Remzi H. Arpaci-Dusseau, Andrea C. Arpaci-Dusseau)
  • Computer Systems: A Programmer’s Perspective(Randal E. Bryant, David R. O’Hallaron)
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